The U.S. aircraft register, updated daily
Who holds what · as the FAA records the name

The Northrup Corporation

Named as the FAA publishes it on its approvals.

Holds 1 type certificate (1 models). FAA spelling: The Northrup Corporation.

Type certificates 1

TC 553Aircraft · Delta 1-D (7 PCLM)

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, parts manufacturer approvals, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.